1892.] 



OF THE GENUS CEPHALOLOPHUS. 



415 



a'. General colour blackish, with a yellowish lumbar 



stripe. W.Africa 1. C. sylvicultor, 



b'. General colour of body grey, of head and neck \A^^- 



black. W. Afi- 2. C.jentinki, 



h. Size medium or small : hind foot less than 260 mm. ; [Thos. 



basal length of skull less than 220. 

 a'. General ground-colour fulvous, rufous or chestnut. 

 Or'. Back not transversely striped. 'No heel-tufts. 

 a^. Colour quite uniform, no mesial dark mark- 

 ings on face or elsewhere, 

 ffi'^ Size larger ; hind foot (? hoof included) 



241 mm. Kilima-ujaro 3. Cspac^lr, True. 



6*. Size smaller ; hind foot without hoof 193 



mm. E. & S.E. Afr 4. C. natalensis, 



¥•. Mesial dark markings present either on face [A. Sm. 



or back or both. AH W. Afr. 

 a.'*. Darker markings shining black or brown. 



«'. Back uniform rufous, no dorsal stripe... 5. C. nigrifrons, 

 ¥. Back with a black dorsal stripe continued [Gr. 



on the tail. 

 «**. Tail black and white ; back of hams 

 red or white. 

 d'. Centre line of face decidedly darker 

 than flanks. Dorsal line from nape. 

 «**. Sternal region and back of hams 



white. Tail tufted at tip 6. C. leucog aster, 



b". Sternal region and back of hams [Gr. 



as dark as or darker than the 

 body. Tail evenly haired, not 



tufted 7. C.dorsalis,Gv. 



b''. Face uniformly rufous yellow, like 



the flanks. Dorsal line from [Waterh. 



withers 8. C. ogilbyi, 



¥. Tail nearly wholly black ; back of [Pet. 



hams also black 9. C. callipggics, 



b^. Darker markings bluish grey 10. C. riifilatus,G:x. 



bi-. Back transversely banded. Heels with tufts. 



W. Afr '. 11. C. dories, Og. 



A'. General colour smoky brown or blackish. 



('~. Size larger ; hind foot 210 mm. Face more 



rufous than body. W. Afr 12. C. niger, Gr. 



6^. Size smaller; hind foot less than 190 mm. Face 

 like back. 

 a^. Legs greyish brown, like body. 

 a^. Rump not particoloured. Sieri-a Leone .. . 13. C. maxwelli, 

 b^. Rump particoloured. Cameroons to Zan- [H. Sm. 



zibar 14. Cmdanorheus, 



W. Legs rufous; rump not particoloured. S.E. [Gr. 



Africa 15. C. monticola, 



B. Horns, when present, slanting upwards at a. sharp angle [Thunb. 



above the nasal pi-ofile ; female normally hornless. 

 Ears long, pointed, their length equal to or exceeding 

 the distance from eye to rhinarium. General colour 

 yellow or greyish ; no darker markings on body, but 

 a brown nasal patch present. 

 a. Size smaller : hind foot less than 230 mm. ; basal 



length of skull than 140. [Gr. 



a\ Colour bright yellow. W. Afr 16. C. coronatus, 



ft'. Colour grizzled greyish brown. Abyssinia 17. C. abyssinicus, 



h. Size larger : hind foot more than 240 mm. ; basal [Thoa. 



length of skull than 145. Southern Afr 18. C.grinimii,li. 



29* 



